@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fb529c-84fc-4aed-912d-91f0ee8fe963> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fb529c-84fc-4aed-912d-91f0ee8fe963> .